$lenght:288;

.frame{
    position: absolute;
    width: 400px;
    height: 400px;
    inset: 0;
    margin: auto;
    border-radius: 2px;
    box-shadow: 1px 2px 10px rgba(0,0,0,0.3);
    background-color: #1bbe9e;
    color: #fff;
    overflow: hidden;
}

.center{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}


.bg{
    fill: none;
    stroke-width: 4;
    stroke: #12836d;

}

.loader{
    fill: none;
    stroke: #fff;
    stroke-width: 4;
    stroke-linecap: round;
    stroke-dasharray: $lenght;
    animation: line 4s linear infinite,spin 3s linear infinite;
    transform-origin: 50% 50%;
}

@keyframes line {
    0%{
        stroke-dashoffset: ($lenght*4);
    }
    100%{
        stroke-dashoffset: ($lenght*2);
    }
}

@keyframes spin {
    from{
        transform: rotate(-90deg);
    }
    to{
        transform: rotate(270deg);
    }
}